Korean Grammar Point
~못하다 [mothada] (Cannot)

~못하다 [mothada] (Cannot)

Short explanation:

Used to express inability or impossibility; 'cannot'.

Formation:

Action verb stem + 못하다

Examples:

제가 솔직히 한국어를 잘못 하겠어요, 그래서 계속 연습하고 있습니다.
Jega soljikhi hangug-eoleul jal mothagesseoyo, geulaeseo gyesog yeonseubhago issseubnida.
Honestly, I can’t speak Korean well, so I keep practicing.
이 비에서 운동할 수가 없어요, 비가 너무 심하게 내리니까 잔디밭이 미끄럽게 되서 움직이기를 못하네요.
Ibieseo undonghal suga eops-eoyo, biga neomu simhage naelinikka jandibach-i mikkuleobge doeseo umjig-ilul mothaneyo.
I can't do exercise in this rain, the grass has become too slippery due to the heavy rain so I can't move.
내가 웹 개발자로서 이 문제를 해결할 수가 없어요, 코딩 실력이 부족해서 이해를 못하겠어요.
Naega web gaebeoljalous seo i munjeleul haegyeolhal suga eopseoyo, coding sillyeogi bujokhaeseo ihaeleul mothagesseoyo.
As a web developer, I can't solve this problem because I lack coding skills to understand it.
그는 금연을 못하고 있어요, 담배를 너무 좋아해서 멈출 수가 없는 것 같아요.
Geuneun geumyeon-eul mothago iss-eoyo, dambaeleul neomu joahaseo meomchul suga eobsneun geos gat-ayo.
He can't quit smoking, it seems like he can't stop because he likes cigarettes too much.

Long explanation:

'~못하다 [mothada]' is a negative verb form in Korean, used to express the inability or impossibility of doing something. This form clearly shows the speaker’s negative value judgment to the situation. The speaker will express regret, disappointment, or a negative emotional reaction by using the negative form ‘못하다’. It's used with action verbs to indicate that the action cannot be carried out or is impossible to perform.

Detailed Grammar notes:

Processing keyword: ~못하다 [mothada] (Cannot)

Korean Grammar Point: ~못하다 [mothada] (Cannot)

~못하다 [mothada] (Cannot)

1. Introduction

In Korean, expressing the inability to do something is essential for everyday communication. The grammar point ~못하다 is commonly used to indicate that someone cannot or is unable to perform an action. Understanding how to use ~못하다 correctly will enhance your ability to express limitations and prohibitions in Korean.


2. Core Grammar Explanation

Detailed Explanation

The construction ~못하다 is attached to the stem of a verb to express the inability to do that action. It conveys that someone cannot do something due to various reasons such as lack of ability, circumstances, or external factors.

  • : An adverb meaning "cannot" or "unable to".
  • 하다: The verb "to do". When combined, they modify the main verb to indicate inability.

Meaning, Structure, Formation Diagram

Structure:

[Verb Stem] + 지 못하다

Alternatively, can be placed directly before the verb:

못 + [Verb]

Formation Diagram:

Position Component Role
Before verb Indicates inability (adverb)
Verb stem + 지 Connective particle (negation)
못하다 못하다 "Cannot do" (auxiliary verb)

Visual Aid

Placing before the verb:

제가 피아노를 **못 칩니다**.
(I cannot play the piano.)

Using ~지 못하다 after the verb stem:

제가 피아노를 치**지 못합니다**.
(I cannot play the piano.)

3. Comparative Analysis

vs.

  • : Indicates inability due to circumstances or lack of ability.
    • Example: 시간이 없어서 숙제를 못 했어요. (I couldn't do my homework because I didn't have time.)
  • : Indicates refusal or decision not to do something.
    • Example: 숙제를 안 했어요. (I didn't do my homework.)

~지 못하다 vs. ~지 않다

  • ~지 못하다: Cannot do something.
    • Example: 달리지 못해요. (I cannot run.)
  • ~지 않다: Do not do something (by choice).
    • Example: 달리지 않아요. (I do not run.)

4. Examples in Context

Formal Situations

  1. 저는 술을 마시지 못합니다.
    • Translation: I cannot drink alcohol.
  2. 그는 한국어를 읽지 못해요.
    • Translation: He cannot read Korean.

Informal Situations

  1. 나 오늘 영화 못 봐.
    • Translation: I can't watch the movie today.
  2. 우리는 그곳에 가지 못해.
    • Translation: We can't go there.

Spoken Language

  1. 비가 와서 등산 못 해요.
    • Translation: Because it's raining, I can't hike.
  2. 감기에 걸려서 학교에 못 갔어요.
    • Translation: I caught a cold, so I couldn't go to school.

Written Language

  1. 기술적인 문제로 인해 서비스를 제공하지 못합니다.
    • Translation: We cannot provide the service due to technical issues.
  2. 죄송하지만, 요청하신 정보를 찾지 못했습니다.
    • Translation: Sorry, but we couldn't find the information you requested.

5. Cultural Notes

Cultural Relevance

In Korean culture, expressing inability politely is important to maintain harmony and show respect. Using formal forms like ~지 못합니다 is common in official settings or when speaking to someone of higher status.

Idiomatic Expressions

  1. 손을 못 대다
    • Literal Translation: Cannot put one's hand on
    • Meaning: Cannot handle something
    • Example: 그 일은 너무 어려워서 손을 못 대겠어요.
      • Translation: That task is so difficult that I can't handle it.
  2. 입을 못 열다
    • Literal Translation: Cannot open one's mouth
    • Meaning: Cannot speak (due to shyness, shock)
    • Example: 갑작스러운 소식에 입을 못 열었어요.
      • Translation: I couldn't speak due to the sudden news.

6. Common Mistakes and Tips

Error Analysis

  1. Using 안 instead of 못
    • Incorrect: 시간이 없어서 숙제를 안 했어요.
      • Translation: I didn't do my homework (I chose not to).
    • Correct: 시간이 없어서 숙제를 못 했어요.
      • Translation: I couldn't do my homework (I was unable to).
  2. Misplacing 못 in a sentence
    • Incorrect: 저는 마시지 못해요 술을.
    • Correct: 저는 술을 마시지 못해요.

Learning Strategies

  • Mnemonic Device: Think of as "mo-" in "mo-tionless," indicating inability to move/do something.
  • Practice: Create sentences using and ~지 못하다 with different verbs to become familiar with placement and usage.

7. Summary and Review

Key Takeaways

  • is used before a verb to express inability.
  • ~지 못하다 is added after the verb stem to express the same meaning.
  • Use for inability, for deliberate action not taken.
  • Be mindful of formality levels when choosing endings.

Quick Recap Quiz

  1. Fill in the blank with the correct form of :
    • 비가 와서 축구를 ______.
  2. Translate to Korean using ~지 못하다:
    • I cannot sleep.
  3. True or False:
    • Using and interchangeably is acceptable.

Answers

  1. 못 해요.
  2. 저는 잠을 자지 못해요.
  3. False.

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